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Vulnerability Intelligence

CVE-2026-22812 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceCVE-2026-22812

CVE-2026-22812

HIGH8.8

OpenCode's Unauthenticated HTTP Server Allows Arbitrary Command Execution

Published Jan 12, 2026

Modified 1 months ago

Details

OpenCode is an open source AI coding agent. Prior to 1.0.216, OpenCode automatically starts an unauthenticated HTTP server that allows any local process (or any website via permissive CORS) to execute arbitrary shell commands with the user's privileges. This vulnerability is fixed in 1.0.216.

References

https://github.com/anomalyco/opencode/security/advisories/GHSA-vxw4-wv6m-9hhh

https://www.cve.org/CVERecord?id=CVE-2026-22812

CVSS Analysis

CVSS v3.1

8.8

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

RequiredUI:R

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

8.8/CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness Type (CWE)

Authentication

Missing Authentication

Other

Ecosystems

Timeline

PublishedJan 12, 2026

ModifiedJan 13, 2026